static void Main(string[] args)
{
var stopWatch = Stopwatch.StartNew();
stopWatch.Start();
//Get Bank Exchange Rates
BNCRManager bank = new BNCRManager();
var exchangeRates = bank.GetExchangeRate();
List <ShippingRate> rates = new List <ShippingRate>();
FedExManager fedExManager = new FedExManager();
rates.AddRange(fedExManager.GetRates());
USPSManager uspsManager = new USPSManager();
rates.AddRange(uspsManager.GetRates());
var ratesInColones = rates.Select(c => { c.Price = c.Price * exchangeRates.PurchasePrice; return(c); }).ToList();
stopWatch.Stop();
Console.WriteLine($"Sequential Time {stopWatch.ElapsedMilliseconds}");
Console.WriteLine("Shipping Method Price (Colones)");
foreach (var rate in rates)
{
Console.WriteLine($"{rate.Method} {rate.Price}");
}
//Console.ReadKey();
}
private static long CalculateParallel()
{
var stopWatch = Stopwatch.StartNew();
stopWatch.Start();
ConcurrentBag <ShippingRate> rates = new ConcurrentBag <ShippingRate>();
var providers = new List <IShippingManager>
{
//Get FedEx
new FedExManager(),
//Get USPS
new USPSManager()
};
Task <DolarExchangeRate> exchangeRates = Task.Factory.StartNew(() =>
{
//Get Bank Exchange Rates
IBankManager bank = new BNCRManager();
return(bank.GetExchangeRate());
});
Parallel.ForEach(providers, provider =>
{
foreach (var rate in provider.GetRates())
{
rates.Add(rate);
}
});
Task.WaitAll(new Task[] { exchangeRates, /*fedexTask, uspsTask*/ });
var ratesInColones = rates.Select(c => { c.Price = c.Price * exchangeRates.Result.PurchasePrice; return(c); }).ToList();
stopWatch.Stop();
return(stopWatch.ElapsedMilliseconds);
}
private static long CalculateSequential()
{
var stopWatch = Stopwatch.StartNew();
stopWatch.Start();
//Get Bank Exchange Rates
BNCRManager bank = new BNCRManager();
var exchangeRates = bank.GetExchangeRate();
List <ShippingRate> rates = new List <ShippingRate>();
FedExManager fedExManager = new FedExManager();
rates.AddRange(fedExManager.GetRates());
USPSManager uspsManager = new USPSManager();
rates.AddRange(uspsManager.GetRates());
var ratesInColones = rates.Select(c => { c.Price = c.Price * exchangeRates.PurchasePrice; return(c); }).ToList();
stopWatch.Stop();
return(stopWatch.ElapsedMilliseconds);
}
static void Main(string[] args)
{
try
{
var stopWatch = Stopwatch.StartNew();
stopWatch.Start();
//List<ShippingRate> rates = new List<ShippingRate>();
ConcurrentBag <ShippingRate> rates = new ConcurrentBag <ShippingRate>();
var providers = new List <IShippingManager>
{
//Get FedEx
new FedExManager(),
//Get USPS
new USPSManager()
};
//IShippingManager fedEx = new FedExManager();
//IShippingManager usps = new USPSManager();
Task <DolarExchangeRate> exchangeRates = Task.Factory.StartNew(() =>
{
//Get Bank Exchange Rates
IBankManager bank = new BNCRManager();
return(bank.GetExchangeRate());
});
//Task<List<ShippingRate>> fedexTask = Task.Factory.StartNew(() =>
//{
// return fedEx.GetRates();
//});
//Task<List<ShippingRate>> uspsTask = Task.Factory.StartNew(() =>
//{
// return usps.GetRates();
//});
Parallel.ForEach(providers, provider =>
{
foreach (var rate in provider.GetRates())
{
rates.Add(rate);
}
});
Task.WaitAll(new Task[] { exchangeRates, /*fedexTask, uspsTask*/ });
//rates.AddRange(fedexTask.Result);
//rates.AddRange(uspsTask.Result);
var ratesInColones = rates.Select(c => { c.Price = c.Price * exchangeRates.Result.PurchasePrice; return(c); }).ToList();
stopWatch.Stop();
Console.WriteLine($"Parallel Time {stopWatch.ElapsedMilliseconds}");
Console.WriteLine("Shipping Method Price (Colones)");
foreach (var rate in ratesInColones)
{
Console.WriteLine($"{rate.Method} {rate.Price}");
}
}
catch (AggregateException ae)
{
ae = ae.Flatten();
foreach (var ex in ae.InnerExceptions)
{
if (ex is OperationCanceledException)
{
continue;
}
else
{
//log the exception
}
}
}
catch (Exception)
{
//log the exception
}
Console.ReadKey();
}